they say the fbi and libyan authorities have begun looking into the possibility al qaeda or other terrorist groups were involved. the attack fell on the 11th anniversary of the 9/11 attacks. authorities say all u.s. nationals in benghazi have flown to tripoli. marine commanders are sending their anti-terrorism team to tripoli. the 15 members will protect the u.s. embassy. ap agency reports the american military will deploy two destroyers off the coast of libya as a precautionary measure. >>> apple's new iphone hits the market next week. it's bigger, faster, and lighter. but will it be a hit? >> today we're going to introduce iphone5. [ applause ] >> the u.s. technology giant unveiled the iphone5 at an event in san francisco. apple has changed the size of the iphone for the first time since launching the original in 2007. the screen is bigger and the body of the phone is slightly longer. the new model is also thinner and 20% lighter than the previous phone. with high-speed lte communications, it transmits movies and other large-volume data files faster. the new phone's new operating system e